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KLINGER®sealex
Characteristic & main applications
Klinger Sealex is a joint sealant material manufactured from specially processed 100% pure PTFE in a unique process. It is composed of specially prepared fluorocarbons with excellent resistance to aggressive chemicals as well as offering secure sealing under high internal pressures.
The high compressibility of Sealex® enables it to effectively fill flange imperfections for a tight, leak-free seal.
Unlike conventional PTFE which is prone to cold flow, Sealex has good creep resistance and bolt torque retention properties. Its form-in-place versatility also cuts maintenance and storage costs. It has an adhesive backing to assist installation.
Material
Expanded PTFE
pT diagrams
The Klinger pT diagram provides guidelines for determining the suitability of a particular gasket material for a specific application based on the operating temperature and pressure only. Always refer to the chemical resistance of the gasket to the fluid.
Temperture: -196 to 260°C
Pressure: up to 140 bar depending on application
1. In area one, the gasket material is normally suitable subject to chemical compatibility.
2. In area two, the gasket materials may be suitable but a technical evaluation is recommended.
3. In area three, do not install the gasket without a technical evaluation.
Technical Data – Based on 7 x 2.5mm thick sample
| Compressibility ASTM F 36 L | 75-85% |
| Creep relaxation ASTM F-38, 3000psi |
44% |
| Gas leakage ASTM F37B, 30psi Nitrogen, 3000psi load |
4.8ml/hour |
| Density | 0.6g/cm3 |
Availability
| Dimensions (mm) | Roll (length metres) |
| 3.2 x 1.5 | 30 |
| 4.7 x 2.0 | 20 |
| 6.5 x 2.5 | 15 |
| 9.5 x 3.0 | 8 |
| 12.7 x 6.5 | 5 |
| 16.0 x 6.5 | 5 |
| 19.0 x 7.0 | 5 |
| 25.4 x 8.0 | 5 |
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